121351280

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{5639}}^1$

素因数の和:5921

約数の個数: 40

約数和(自身を含む): 283240800

約数和(自身を除く): 161889520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 5639, 10760, 11278, 21520, 22556, 28195, 45112, 56390, 90224, 112780, 225560, 451120, 1516891, 3033782, 6067564, 7584455, 12135128, 15168910, 24270256, 30337820, 60675640, 121351280]

約数ペア:

[(1, 121351280), (2, 60675640), (4, 30337820), (5, 24270256), (8, 15168910), (10, 12135128), (16, 7584455), (20, 6067564), (40, 3033782), (80, 1516891), (269, 451120), (538, 225560), (1076, 112780), (1345, 90224), (2152, 56390), (2690, 45112), (4304, 28195), (5380, 22556), (5639, 21520), (10760, 11278)]